hive 连被拒绝

[2022-03-11 19:53:49] java.net.ConnectException: Connection refused: connect.

因为hive是基于hadoop的，所以先查看hadoop集群信息。

我们直接去看dataNode


看见节点2已经GG了，而且网卡有问题，我们重启网卡

直接在master上重启hadoop

[root@hadoop-node01 sbin]# ./start-all.sh
Starting namenodes on [hadoop-node01]
上一次登录：五 3月 11 20:10:30 CST 2022从 192.168.67.1pts/0 上
hadoop-node01: namenode is running as process 3323.  Stop it first.
Starting datanodes
上一次登录：五 3月 11 20:11:11 CST 2022pts/0 上
hadoop-node01: datanode is running as process 3445.  Stop it first.
hadoop-node03: datanode is running as process 2618.  Stop it first.
Starting secondary namenodes [hadoop-node02]
上一次登录：五 3月 11 20:11:12 CST 2022pts/0 上
Starting resourcemanager
上一次登录：五 3月 11 20:11:23 CST 2022pts/0 上
resourcemanager is running as process 3864.  Stop it first.
Starting nodemanagers
上一次登录：五 3月 11 20:11:48 CST 2022pts/0 上
hadoop-node03: nodemanager is running as process 2738.  Stop it first.
hadoop-node01: nodemanager is running as process 3987.  Stop it first.
[root@hadoop-node01 sbin]#

这样就可以连接了

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